Nurses' Health Study
From Citizendium, the Citizens' Compendium
The Nurses' Health Study is a cohort study that was started in 1976 with 121,701 women aged 30 to 55 years who were registered nurses in the United States.[1]
References
- ↑ Chan AT, Ogino S, Fuchs CS (2009). Aspirin use and survival after diagnosis of colorectal cancer.. JAMA 302 (6): 649-58. DOI:10.1001/jama.2009.1112. PMID 19671906.

